IP SIP
TELEPHONE SET
TECHNICAL REFERENCE
AND
USER GUIDE
FEBRUARY- 2012
NT42I Technical Reference and User Guide
II
NT42I Technical Reference and User Guide
III
Version Table
Guide Date/Version
AAA/27.02.2012
NT42I Tech. Ref. and User Guide– Ver. AAA – 27.02.2012
KAREL reserves the right to make modifications in product features mentioned in this
document for development and improvement purposes, without prior notice. Individual
products may possess characteristics different from those that have been mentioned in this
document, due to their differences in software and hardware versions.
NT42I Technical Reference and User Guide
IV
ISSUES TO PAY ATTENTION TO
♦ Read this guide carefully before you use your device and keep it for later
reference.
♦ Any mistake with the connections in your device may damage it or your
exchange. Especially the connection to the exchange must be made by the
Authorized Technical Services. The explanations about connections in the User’s
Guide have been intended to give information only.
♦ A connection box comes with your device. The connections must be made as
described in the installation chapter.
♦ In case you need a connection of plug-outlet type, never apply electric plugs
and outlets; use plugs, outlets and connection components that are specific to
telephones.
♦ Do not make any connection other than the extension connection of the
KAREL telephone system.
♦ There is no part that you can repair or maintain in your device; therefore call
the authorized technical service in case of any malfunction.
♦ Keep your device away from direct sunlight.
♦ Do not let any liquid substance spill on your device.
♦ Do the exterior cleaning of your device with a slightly moistened piece of cloth.
♦ Do not apply any chemicals for cleaning.
♦ Please call your authorized dealer in case you would like to change the place
of your device. Use its own packing to carry the device.
♦ Please do not use exterior signal for the test operations or maintenance. Any
signal which is used externally may damage your device.
NT42I Technical Reference and User Guide
V
PREFACE
Chapters in this guide have been prepared in order to give basic information about the NT42I
IP Phones.
- The basic information about features of the phone has been given and the hardware
of the device is described.
- The keys required for basic use of the phone's are mentioned.
- The hardware requirements of the phone are mentioned and the connection details
are given.
- Required and alternative settings on the NT42I Phone Set are described for users.
- In case there is a problem, the information about points that must be considered is
given.
Best Regards,
KAREL
NT42I Technical Reference and User Guide
VI
CONTENTS
TECHNICAL INTRODUCTION ................................................................................................ 1
Basic Specifications of NT42I ............................................................................................... 1
Specifications of NT42I ........................................................................................................ 2
INTRODUCTION ...................................................................................................................... 3
Parts List on Delivery ........................................................................................................... 3
GENERAL APPEARANCE ...................................................................................................... 4
USER INTERFACE .................................................................................................................. 5
USE OF THE TOUCH SCREEN .......................................................................................... 5
NAVIGATION KEYS AND SPECIAL FUNCTION KEYS ...................................................... 5
PHYSICAL CONNECTIONS .................................................................................................... 7
NT42I NETWORK SETTINGS ................................................................................................. 8
NT42I WEB SETTINGS ......................................................................................................... 11
System Information ............................................................................................................ 11
Network Settings ................................................................................................................ 12
SIP Settings ........................................................................................................................ 13
PHOTO FRAME FEATURE ............................................................................................... 15
TROUBLESHOOTING ........................................................................................................... 16
NT42I Technical Reference and User Guide
1
TECHNICAL INTRODUCTION
BASIC SPECIFICATIONS OF NT42I
VoIP
Protocols
• SIP v2.0 (RFC3261)
Call Features
• Call Back – Calling the caller of last incoming call
• Call Blocking – Blocking all incoming calls
• Call Holding – Holding the existing conversation (10 incoming calls
can be put on hold simultaneously.)
• Call Transfer – (Selective Transfer/Direct Transfer)
• Call Forwarding – Forwarding incoming calls
• Automatic Answering
• Emergency Calls
• 3-Party Conference
Display Panel
• Touch-colored screen
• Caller ID
• Display of simultaneous incoming calls
• Date and Time Displayer
Easy to Use
• Programming via WEB
• Installing software, configuration and phonebook over Web/TFTP
• Recall user settings when machine is restarted
• Backuping and re-installing phonebook, configuration and key
programming files. Installing prepared phonebook.
Keys
• 4 navigation keys
• Volume control keys
• Numeric keys
Special Function Keys
Contacts
Call Log
Menu
Message
Redial
Conference
Park
Transfer
Function
Language
• Turkish / English
Dimensions
• Dimensions: 228 x 217 x 147 mm
• Weight: 960 gr.
Temperature
• 5-40°C
Humidity
• 0-%80
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